package com.sky.controller.user;

import com.sky.constant.StatusConstant;
import com.sky.entity.Dish;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.service.SetmealService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.List;

/*
 *  @Author: huxinjie
 *  @Data: 2025/4/19 19:08
 *  @Description:
 */
@RestController("userDishController")
@RequestMapping("/user/dish")
@Api(tags = "C端菜品预览接口")
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;

    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<DishVO>> list(Long categoryId){
        //构造redis中是否存在的菜品
        String key = "dish_" + categoryId;

        //查询redis中是否存在菜品数据中
        List<DishVO> list = (List<DishVO>) redisTemplate.opsForValue().get(key);
        if(list != null && !list.isEmpty()){
            //如果存在，直接返回，无须查询数据库
            return Result.success(list);
        }

        //如果不存在，查询数据库，将查询到的数据放入redis中
        Dish dish = Dish.builder()
                .categoryId(categoryId)
                .status(StatusConstant.ENABLE)
                .build();
        list = dishService.listWithFlavor(dish);
        redisTemplate.opsForValue().set(key,list);

        return Result.success(list);
    }

}
